Choroi Steel Glockenspiels. Choroi Steel Glockenspiels were designed primarily for small children. They have a clear, balanced sound, and make an excellent first percussion instrument. They accompany the soft tones of the children's harp well. The body is made of fine cherry wood. Diaronne - Diatonic Glockenspiel. Cherry wood, 13 steel strips, with 2 mallets, tone series: c'' -d'' -e'' -f'' -g'' -a'' -h'' -c''' -d''' -e''' -f''' -g'''-a'''.